[LETTERHEAD OF SNODGRASS, CERTIFIED PUBLIC ACCOUNTANTS APPEARS HERE]

                                                                  Exhibit 23.7

                        CONSENT OF INDEPENDENT AUDITORS

We consent to the use in this Pre-Effective Amendment No. 1 to Registration
Statement No. 333-19575 of S & T Bancorp, Inc. on Form S - 4 of our report dated
February 10, 1997 (relating to the financial statements of Peoples Bank of Unity
as of December 31, 1996 and 1995 and for each of the three years in the period
ended December 31, 1996) appearing in the Proxy Statement/Prospectus, which is
part of this Registration Statement.

We also consent to the reference to us under the heading "Experts" in such Proxy
Statement/Prospectus.


/s/ S. R. Snodgrass, A.C.


Wexford, PA 
February 25, 1997